Provided are surface modified contact lenses formed from one or more fumaric- or itaconic-containing prepolymers having reactive functionality that is complimentary to surface modifying polymers. The assembly includes a surround, a frame, and a locking latch. The preliminarily molded porous member is inserted into a cavity of a product mold. A delete or an update statement is executed with a transaction on a table. Upon expansion, the smaller opening in the bottom of the structure restricts backward water flow and creates a vacuum on the other side.